1728478906

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{1213}}^1$

素因数の和:1739

約数の個数: 64

約数和(自身を含む): 3412408320

約数和(自身を除く): 1683929414

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 487, 974, 1213, 1463, 2426, 2926, 3409, 5357, 6818, 8491, 9253, 10714, 13343, 16982, 18506, 23047, 26686, 37499, 46094, 64771, 74998, 93401, 101783, 129542, 161329, 186802, 203566, 253517, 322658, 507034, 590731, 712481, 1181462, 1424962, 1774619, 3549238, 4135117, 6498041, 8270234, 11223889, 12996082, 22447778, 45486287, 78567223, 90972574, 123462779, 157134446, 246925558, 864239453, 1728478906]

約数ペア:

[(1, 1728478906), (2, 864239453), (7, 246925558), (11, 157134446), (14, 123462779), (19, 90972574), (22, 78567223), (38, 45486287), (77, 22447778), (133, 12996082), (154, 11223889), (209, 8270234), (266, 6498041), (418, 4135117), (487, 3549238), (974, 1774619), (1213, 1424962), (1463, 1181462), (2426, 712481), (2926, 590731), (3409, 507034), (5357, 322658), (6818, 253517), (8491, 203566), (9253, 186802), (10714, 161329), (13343, 129542), (16982, 101783), (18506, 93401), (23047, 74998), (26686, 64771), (37499, 46094)]